Ryka - Optimize Xt. Color Black. Low Stock. On sale for $89.96. MSRP $120.00.. 2.9 out of 5 starsAdd to favorites. 0 people have favorited this6 left in stockBrand NameRykaProduct NameOptimize XtGenderWomen'sColorBlackPrice$89.96MSRP: $120.00Rating3Rated 3 stars out of 5(12)